Thermal load based automatic valve arrangement and method
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United States of America
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Feb 11, 2020
Grant Date -
May 10, 2018
app pub date -
Nov 9, 2016
filing date -
Nov 9, 2016
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Abstract
A thermal load based automatic valve arrangement including an actuator responsive to fluid temperature flowing through the arrangement, a closure member operably connected to the actuator, and a seat receptive to the closure member to prevent or restrict fluid flow through the arrangement in a first direction when actuated while still allowing fluid flow in a second direction. A method for controlling steam movement in a production string of a SAGD (Steam Assisted Gravity Drainage) installation including sensing with an actuator, temperature of fluid moving through a valve arrangement, automatically adjusting the valve arrangement pursuant to thermal load on the actuator.
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